Vertiv Liebert PowerUPS 100 PST6-900LVMT
A low-cost Vertiv standby UPS for a router, modem and light desktop loads.
Amazon $89.99$89.99
The Vertiv Liebert PowerUPS 100 PST6-900LVMT and the APC BE425M are evenly matched, rated 2.8 and 2.8. The Vertiv Liebert PowerUPS 100 PST6-900LVMT leads on features. The APC BE425M costs $27.49 less ($62.50 vs $89.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
$62.50
Which should you buy?
- Choose the Vertiv Liebert PowerUPS 100 PST6-900LVMT for features (USB charging vs none of the listed features).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every desktop (under 1,000 VA) UPS battery backup; a clear win is highlighted. How we rank explains each one.
| Factor weight | Vertiv Liebert PowerUPS 100 PST6-900LVMT | APC BE425M |
|---|---|---|
| Overall rating | 2.8/5 | 2.8/5 |
| Value 25% | 74 $25.71 per 100 W ($89.99, 350 W) | 76 $24.51 per 100 W ($62.50, 255 W) |
| Output 15% | 6 350 W rated output | 0 255 W rated output |
| Topology and waveform 20% | 25 standby, waveform not published | 50 topology and waveform not published (neutral score used) |
| Runtime 10% | 50 runtime at 100 W not published (neutral score used) | 8 15 min at 100 W |
| Features 15% | 15 USB charging | 0 none of the listed features |
| Warranty 15% | 35 3-year warranty, no equipment guarantee published | 40 3-year warranty, $75,000 equipment guarantee |
Specifications
| Vertiv Liebert PowerUPS 100 PST6-900LVMT | APC BE425M | |
|---|---|---|
| Power | ||
| Rated apparent power | 900 VA | 425 VA |
| Rated real power | 350 W | 255 W |
| Topology | Standby | - |
| Automatic voltage regulation | No | - |
| Battery and runtime | ||
| Battery type | Lead-acid | - |
| User-replaceable battery | Yes | - |
| Runtime at 100 W | - | 15 min |
| Outlets and features | ||
| Outlets | 8 | 6 (4 on battery) |
| Format | Desktop | Desktop |
| USB charging ports | Yes | No |
| Data port, software or network option | No | No |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Connected-equipment guarantee | - | $75,000 |